SALT LAKE CITY — A new legal analysis from a group of Western attorneys general casts doubt on many of the arguments Utah has put forward in its push to gain control of millions of acres of federal land.

The report, based on two years of work, doesn't address every argument Utah has floated, but it points out decisions by the Supreme Court and other federal courts that could put Utah on shaky ground if it sues the U.S. government for control. The analysis was drafted by lawyers from seven Republican attorneys general, three Democrats and one independent.

CASPER, Wyo. — A high-ranking official with the Wyoming Highway Patrol is under investigation for posing for a photo near a bison at Yellowstone National Park.

Yellowstone National Park officials are investigating Highway Patrol Major Keith Groeneweg after he posted a photo on Facebook that looks like he is violating park rules that people must stay at least 25 yards from wildlife, The Casper Star-Tribune reported (http://bit.ly/2djbaNh).

WARSAW, Poland — A team of explorers say they've discovered that a cave in the eastern Czech Republic is the world's deepest flooded fissure, going at least 404 meters (1,325 feet) deep.

Polish explorer Krzysztof Starnawski, who led the team, told The Associated Press on Friday that he felt like a "Columbus of the 21th century" to have made the discovery near the Czech town of Hranice.

BERLIN — After 12 years of hurtling through space in pursuit of a comet, the Rosetta probe ended its mission Friday with a slow-motion crash onto the icy surface of the alien world it was sent out to study.

Mission controllers lost contact with the probe, as expected, after it hit the surface of comet 67P/Churyumov-Gerasimenko at 1039 GMT (6:39 a.m. EDT) Friday, the European Space Agency said.

HELENA, Mont. — The Montana Senate judiciary chairman is asking the state Department of Justice to find out what happened to former Attorney General's Steve Bullock's emails when Bullock left that office to become governor.

The request by Republican Sen. Scott Sales comes after Yellowstone Club founder Tim Blixseth was denied a wide-ranging demand for emails from Bullock's time as attorney general between 2009 and 2013.

HELENA, Mont. — The FBI is awaiting lab results before releasing any more information about the death of a woman who reported being kidnapped at a Montana rest stop and spending hours in the trunk of her car.

The Helena Independent Record reports investigators are trying to determine how 47-year-old Rita Maze, of Great Falls, ended up shot to death in the trunk. She was found dead Sept. 7 with a handgun and two spent shell casings at her side.